package cn.itcast.web.utils;

import com.google.gson.Gson;
import com.qiniu.common.QiniuException;
import com.qiniu.http.Response;
import com.qiniu.storage.Configuration;
import com.qiniu.storage.Region;
import com.qiniu.storage.UploadManager;
import com.qiniu.storage.model.DefaultPutRet;
import com.qiniu.util.Auth;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

/**
 * 空间名称：saas121
 * 域名：q0p49few5.bkt.clouddn.com
 * AK: 4GHsXCE6Mr0jBEQPsqNv24Hg5KnrqtMG9lo98ZpR
 * SK: e0rYJNsgCIFafNmn7Fn7Qze4pq-kPVNvudCFFBT0
 *
 */
@Component
public class UploadUtils {

    @Value("${bucket}")
    private String bucket;
    @Value("${accessKey}")
    private String accessKey;
    @Value("${secretKey}")
    private String secretKey;
    @Value("${url}")
    private String url;

    /**
     * 传入文件字节数组
     * @param file
     * @return 返回完整的url路径
     */
    public String upload(byte[] file) {
        //构造一个带指定 Region 对象的配置类
        Configuration cfg = new Configuration(Region.region0());
        //...其他参数参考类注释

        UploadManager uploadManager = new UploadManager(cfg);
        //...生成上传凭证，然后准备上传
        String accessKey = this.accessKey;
        String secretKey = this.secretKey;
        String bucket = this.bucket;
        //如果是Windows情况下，格式是 D:\\qiniu\\test.png
        //String localFilePath = "E:\\2.jpg";
        //默认不指定key的情况下，以文件内容的hash值作为文件名
        String key = null;

        Auth auth = Auth.create(accessKey, secretKey);
        String upToken = auth.uploadToken(bucket);

        try {
            //Response response = uploadManager.put(localFilePath, key, upToken);
            Response response = uploadManager.put(file, key, upToken);
            //解析上传成功的结果
            DefaultPutRet putRet = new Gson().fromJson(response.bodyString(), DefaultPutRet.class);
            System.out.println(putRet.key);
            System.out.println(putRet.hash);


            return this.url + putRet.key;
        } catch (QiniuException ex) {
            Response r = ex.response;
            System.err.println(r.toString());
            try {
                System.err.println(r.bodyString());
            } catch (QiniuException ex2) {
                //ignore
            }
            return null;
        }
    }
}
